Phoenix Contact 3031241 ST 2,5-TWIN Feed-through terminal block 24A number of

The Phoenix Contact ST 2,5-TWIN is a three-conductor spring-cage feed-through terminal block rated at 800 V nominal voltage and 24 A nominal current. Accepting conductor cross-sections from 0.08 mm² to 4 mm², it enables tool-free one-handed wiring and suits machine building, plant engineering, railway, and process industry applications.

Technical specifications:

• Part designation: ST 2,5-TWIN
• Catalog number: 3031241
• Manufacturer: Phoenix Contact
• EAN: 4017918186753
• Nominal voltage: 800 V | Nominal current: 24 A
• Maximum load current: 28 A (with 4 mm² conductor)
• Number of connections: 3 | Rows: 1 | Potentials: 1
• Connection method: Spring-cage connection, IEC 60947-7-1
• Nominal cross section: 2.5 mm²
• Conductor cross-section rigid: 0.08 mm² - 4 mm²
• Conductor cross-section flexible: 0.08 mm² - 2.5 mm²
• Stripping length: 8 mm - 10 mm
• Mounting type: NS 35/7.5, NS 35/15
• Dimensions: W 5.2 mm x H 60.5 mm x D 36.5 mm (NS 35/7.5) / 44 mm (NS 35/15)
• Color: gray (RAL 7042)
• Insulating material: PA | Flammability: UL 94 V0
• Operating temperature: -60°C to 85°C
• Rated surge voltage: 8 kV | Overvoltage category: III
• Weight: 7.283 g (excl. packing) | Pack size: 50 pc
• Certification: ATEX/IECEx II 2 GD Ex eb IIC Gb

Features and benefits:

• One-handed, tool-free spring-cage wiring for fast panel assembly
• No cross-section restriction when terminating conductors fitted with ferrules
• Three conductors share one 5.2 mm wide terminal block, reducing panel footprint
• Spring-loaded contacts maintain reliable connection under mechanical vibration
• Compatible with CLIPLINE complete bridging, marking, and testing accessories

Applications:

• Control panel wiring in machine building and plant engineering
• Signal and power distribution in process industry installations
• Railway control cabinets requiring DIN EN 45545-2 fire protection compliance
• Hazardous area wiring under ATEX/IECEx classification

Compliant with IEC 60947-7-1 and DIN EN 45545-2 (HL 1 - HL 3). Part of the Phoenix Contact CLIPLINE complete terminal block system.

Also known as: Phoenix Contact ST 2,5-TWIN, Phoenix 3031241, Phoenix Contact twin terminal block 2.5mm².